1. 首先在 Angular 项目中安装 Firebase 和 Firebase App Check：

npm install firebase @angular/fire firebase/app-check

2. 在 app.module.ts 中引入 Firebase 和 Firebase App Check 模块，并在 NgModule 的 imports 中注入：

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AngularFireModule } from '@angular/fire';
import { AngularFireAuthModule } from '@angular/fire/auth';
import { AngularFireDatabaseModule } from '@angular/fire/database';
import { AngularFireFunctionsModule } from '@angular/fire/functions';
import { FirebaseAppCheckModule, FirebaseAppCheckProvider } from '@firebase/app-check';
import { environment } from '../environments/environment';

@NgModule({
  imports: [
    BrowserModule,
    AngularFireModule.initializeApp(environment.firebaseConfig),
    AngularFireAuthModule,
    AngularFireDatabaseModule,
    AngularFireFunctionsModule,
    FirebaseAppCheckModule,
    // 配置 App Check 开发者密钥
    FirebaseAppCheckProvider.forRoot({
      // Replace with your own App Check key pair.
      provider: new firebase.appcheck.RecaptchaVerifier('reCAPTCHA_site_key')
    })
  ],
})
export class AppModule {}

3. 然后在 App 基本组件中启动 Firebase App Check：

import { Component, OnInit } from '@angular/core';
import firebase from 'firebase/app';
import { FirebaseAppCheck } from '@firebase/app-check';

@Component({
  selector: 'app-root',
  template: `
    
  `
})
export class AppComponent implements OnInit {
  constructor(
    private readonly appCheck: FirebaseAppCheck
  ) {}

  ngOnInit() {
    this.appCheck.activate()
      .catch(error => console.error(error));
  }
}

4. 在服务端渲染 Angular 应用之前，需要通过另外一个 Firebase Cloud Functions 云函数来获取客户端所需的 App Check Token。以下是一个 Cloud Functions 的示例代码：

const functions = require("firebase-functions");
const admin = require("firebase-admin");
const playwright = require("playwright-core");

admin.initializeApp();

const serviceAccount = require("./serviceAccountKey.json");

const appCheckSettings = {
  app